Hwang, Ha-Jin, and Sung-Ho Hwang. 2024. “Developing an Internet of Things System for Hydrogen Leak Detection at Hydrogen Refueling Stations Integrating LoRa and Global Positioning System”. Edelweiss Applied Science and Technology 8 (5):1582-93. https://doi.org/10.55214/25768484.v8i5.1874.